ci: add github action for ci (#248)

Also remove travis config

Author: xobotyi

.github/workflows/ci.yaml

@@ -0,0 +1,42 @@
+name: "CI"
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  workflow_dispatch:
+
+env:
+  HUSKY: 0
+
+jobs:
+  test:
+    name: "Test"
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
+      - uses: bahmutov/npm-install@v1
+        with:
+          useRollingCache: true
+          install-command: yarn --frozen-lockfile
+
+      - name: "Test"
+        run: yarn test
+
+      - name: "Upload coverage to Codecov"
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: coverage/lcov.info
+          fail_ci_if_error: true